401986768

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{4349}}^1$

素因数の和:4519

約数の個数: 40

約数和(自身を含む): 801009000

約数和(自身を除く): 399022232

約数列:

[1, 2, 4, 8, 16, 53, 106, 109, 212, 218, 424, 436, 848, 872, 1744, 4349, 5777, 8698, 11554, 17396, 23108, 34792, 46216, 69584, 92432, 230497, 460994, 474041, 921988, 948082, 1843976, 1896164, 3687952, 3792328, 7584656, 25124173, 50248346, 100496692, 200993384, 401986768]

約数ペア:

[(1, 401986768), (2, 200993384), (4, 100496692), (8, 50248346), (16, 25124173), (53, 7584656), (106, 3792328), (109, 3687952), (212, 1896164), (218, 1843976), (424, 948082), (436, 921988), (848, 474041), (872, 460994), (1744, 230497), (4349, 92432), (5777, 69584), (8698, 46216), (11554, 34792), (17396, 23108)]